Lower right second premolar

Dens premolaris

SkeletalSkeletonHeadRight side

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What it is
Transitional tooth with two cusps (buccal and lingual) on its biting surface and a single root. The crown is covered with enamel, the hardest substance in the body.
Function
Holds and crushes food.
Size
Crown ≈ 7.0 × 8.0 mm, 8.0 mm tall; root ≈ 15 mm
Clinical note
Premolars replace the deciduous molars at 10–12 years.

Nearby skeletal structures Lower right canine, Lower right central incisor, Lower right first molar, Lower right first premolar, Lower right lateral incisor, Lower right second molar, Upper right first molar, Upper right first premolar, Upper right second molar, Upper right second premolar